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No. 274,187. Patented Mar.20, 1883.

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A. A. GOUBERT.

GENTRIFUGAL MACHINE.

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Patented Mar. 20,1883.

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UNITED STATES PATENT OFFICE.

AUGUSTE A. GOUBERT, OF JERSEY CITY, NEW JERSEY.

CENTRIFUGAL MACHINE.

SPECIFICATION forming part of Letters Patent No. 274,187, dated March 20*, F883. I

Application filed August 17. 5,1882. No model.)

To all whom it may concern:

Be it known that I, AUGUSTE A. Gonnnn'r, of Jersey City, Hudson county, in the State of New Jersey, have invented certain new and useful Improvements relating to Centrifugal Machines, of which the following is a specification.

Centrifugal machines have been long used and are much appreciatedin rapidly and effectively expelling the fluid and semi-fluid material from between the crystals of sugar. The nndrained sugar is deposited in a circular vesfinely-perforated metal for the sides, and the vessel is whirled so rapidly that the centrifugal force expels the sirup and leaves the cryst-als dry.

' I have devised important improvements in the construction. a I form, by the aid of peculiarly-shaped rubber springs, a very reliable and elastic support for the upper bearing of the shaft, which may be considerably below the bottom of thebasket and still afford ade- My supporting-frame is U- shaped, or open on one side. for the sugar, which, when the sugar is to be discharged, will allow it to fall through liberal apertures temporarily exposed in the bottom of the basket, and which guide the whole out through the open side of the framing. The .valves covering the discharge-apertures, and

closing the same tightly when the sugar is introduced, are not only opened in the sense of beingtilted up, but are removed bodily, thus allowing unusual facility for discharging the sugar into the holes from all sides. p

The accompanying drawings form a part of this specification, and represent what "I" (5011- siderthe best meansof'carrying out'the in; Vention. t i V Figure l is a central vertical section, and

Fig. 2 is a plan-view. Fig. 3 is a sectioncorresponding to Fig. 1, on a larger scale, representing only a part of the apparatus. Fig. 4 is a plan of one of the parts .illustifatedin Fig. 3. Fig. 5 is a section also corresponding to Fig. 1, on a larger scale, showing the peculiar valve. Fig. 6 is a bottom view of the valve. Similarletters of reference indicate like parts in all the figures.

I employ a spout A is the fixed framing, certain portions beingdistinguished, when necessary, by'addit-ional marks, as A A B is the basket; B, the central boss or hub,

and B the shaft. Each valve is marked 0, and'is of large area,

adapted to cover a large oval aperture, b, in

the bottom of the basket. Each valve is equipped with a peculiarly-thrilled projection, 0*, which, when the valve isset on edge on one side of the aperture, presents itself to a counterpart projection. 13*, on the under face of the basket, and as the valveis turned from the edgewiseinto the horizontal position the projections 0* and B lock themselves-strongreversing these movements.

A is the fixed casing which receives the sirup as the sugar is violently whirled, and by a sirup-spont (not represented) leading from 'the nozzle A at the lowest point conveys it It is away to a suitable tank or receptacle. supported by posts A extending downward from its base.

A is a stout horizontal framing, of a horseshoe or U form, strongly supported on post A resting on the bed-casting A K is a large ring mounted concentrically around the shaft B and bolted firmly on the framing At l t l K is a follower-ring bolted on the under face of K. 1

L L are stout rings, of soft vulcanized rubber, applied in the interior of the ring K, their peripheries strongly embraced between it and the follower K. ber rings L are embraced between. iron rings G, whichconstitute'the exterior of a long bearing-sleeve, G, the interior of which is babbitted, or otherwise fitted to endure long usage while supporting the violently rotated and gy rating shalt B The rings G are compressed The inner edges of the rub- .rubber by nuts G The form of the rubber allows its yielding rapidly fora long. period. The ring K, in addition to its important function of supporting the rubber which forms an elastic support for the bearing-sleeve, constitutes also the support for a peculiar spout, which at the proper intervals receives the sugar and conducts it away.

P is the sugar-spout, peculiarly formed cast-iron or other suitable material. Certain portions will be designated, when necessary, by additional marks, as P P. tion allows the reception of sugar from the holes b, inany position in which the basket chances to be stopped. In the center is a liberal opening down through it, inclosed by a wall or shell, P, more thansufficient for the gymtions of the shaft. On one side, I, the spout is open to receive and discharge the sugar. 0n the other side is a ridge, P with' the surface sinking rapidly on each side thereof, and

' adapted to lead the sugar down each side around the central space, P, and discharge the whole at the side P opposite to the sirup-discharge A Power is applied through the belt J, running on a pulley, B and driven by asteam-engine or other suitable power.

The basket B, with its load of sugar, is liable to be out of balance. The sugar is deposited carelessly, and the aggregate center of gravity of the basket and its contents is liable to be considerabiy out of the line of the axis of rotation. This center of gravity tends to remain stationary, and as the wholeis violently whirled to compel the axis of the shaft B to-revolve around it, the bottom step of the shaft B is adapted to roll to allow for the gyratory motion of the basket and shaft. The bearing. sleeve G is supported by the stout rubber rings L, so as to resist the gyration of the basket and its load; but the elasticity of the rings L is sufficient to allow the basket and shaft to make the gyrations required. If the center of gravity of the mass is one-eighth (gr) inch from the axis of the shaft B the upper end of the latter will tend to describe a circle of oneeightb g) inch radius. This will induce a corresponding motion of the sleeve G, but reduced by reason of the proximity of the latter to the step. I have shown the form and proportion of the rubber L which I esteem expedient for general purposes.

Modifications may be made in the formsand proportions of the details without departing from the principle or sacrificing the advantages of the invention. The area of the upper portion of the spout- P may be contracted, provided theapertures bare reduced in area. The opposite conditions may be approximated by Its upper pormaking the apertures 11 and the valves C 0 larger. The area of the upper portion of the spout P must be large enough to receive the sugar in all positions of the basket. My construction allows great freedom of gyration of the basket. The strong and yielding support afiorded to the sleeve G allows it to be placed lower and to be subjected to less gyratory motion than is usual with the bearings of centrifugal machines. The arrangement allows unusual facility of access for oiling, cleaning, and repairs. The form and position of the rubber parts L allow a strong support with a liberal amount of yielding motion. The firm seizing of the outer edge of each part L by the ringK and follower K, and of the inner edge by the parts G on the sleeve G, allows each side to serve both com pressivel y and tensionally. The placing of the rubber L in two united disks, with their concave faces together, allows each to yield liberally without materially raising or lowering the sleeve G. p

I claim as my invention-- 1. The dished ring L, composed of rubber or analogous elastic material, with heads at the inner and outer edges, adapted to be firmly engaged with the fixed framing and with the yielding sleeve G,-inclosing the spindle B as herein specified.

2. In a centrifugal machinehaving openings in the bottom of the basket for the discharge of sugar, the valve 0. having the hook 0*, as

shown, in combination with the bead B*, or equivalent stop, on the underside ofthe baskethottom, and arranged for joint operation, as herein specified.

3. In a centrifugal machine, the duplicate reversed rings L,of vulcanized rubberor analogous material having much elasticity, in combination with thespindle B and with the rings G and nuts G on the bearing-sleeve G, inclosing the spindle, and with the rigid ring K and follower K, forming a fixed external support, as herein specified.

4. In a centrifugal machine, the U-shaped framing A and suitable upright parts, A A

'incombinatiou with the spout P, having the open side P, ridge P and inner shell, P, loosely inclosing the shaft B ,and with the elastic bearing L, firmly embraced at its outer and inner edgesto allow the elastic support of the shaft, and with the basket B, substantially as herein specified.

In testimony whereof I have hereunto set my hand, this 9th day of August, 1882, in the presence of two subscribing witnesses.

AUG. A. GOUBERI. Witnesses:

O. H. KRAUSE,

ARTHUR. KRAUSE.

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